Home / 22,781.55-34,177.33-6,988.75

Finding the Fourth Proportional to 22,781.55, 34,177.33 and 6,988.75

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Solution

The fourth proportional to 22,781.55, 34,177.33 and 6,988.75 is: 10,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.55 : 34,177.33 = 6,988.75 : x
  2. Step 2: Convert to fraction form
    22,781.55/34,177.33 = 6,988.75/x
  3. Step 3: Cross multiply
    22,781.55x = 34,177.33 × 6,988.75
  4. Step 4: Simplify right side
    22,781.55x = 238,856,815.04
  5. Step 5: Solve for x
    x = 238,856,815.04/22,781.55
  6. Step 6: Final answer
    x = 10,484.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.